How to Set Up a MIDI Controlled Effect in Logic Pro 9

In contrast to common effect plug-ins, the parameters of MIDI controlled effect can be controlled via MIDI, e.g. by playing a MIDI keyboard. This article explains how to configure MIDI controlled effects like THE MOUTH, THE FINGER or the Vocoder presets in RAZOR in Logic.

In Logic, create a Software Instrument track.

Click the I/O slot in the Inspector section of the Software instrument track.

From the drop-down menu, select a plug-in of the type AU MIDI-controlled Effects. In this example we select Reaktor 5 FX (Stereo).

In the REAKTOR instance you have loaded, select another track in your Logic project as Side Chain input for REAKTOR. In this example we choose an Audio track containing existing audio material:

If you now load e.g. RAZOR in REAKTOR and choose a Vocoder preset, it will affect the incoming signal from the selected Side Chain track. You can control the preset's parameters using MIDI notes to modulate the sound processed by the MIDI controlled effect.